/Engine/Source/Runtime/Engine/Public/ImageUtils.h
Creates a newUVolumeTexturewith a checkerboard pattern.
static [UVolumeTexture](API\Runtime\Engine\Engine\UVolumeTexture) * CreateCheckerboardVolumeTexture ( [FColor](API\Runtime\Core\Math\FColor) ColorOne, [FColor](API\Runtime\Core\Math\FColor) ColorTwo, int32 CheckerSize )